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20100901
20100901
Search Results 0 to 8 of about 9 (some duplicates have been removed)
and reward system involves several different brain regions that communicate using chemical signals called neurotransmitters. the this circuit helps us to repeat the behaviors that make us happy while avoiding those that make us miserable. but as any adult knows, pleasure is not always good for you. tonight we'll also explore particularly dangerous forms of pleasure-seeking, addiction. long considered to be a moral weakness, addiction is now understood to be a biological disease. finally, we will explore the role that emotions play in decision-making and social interaction. next month, in part two of the emotional brain, we will turn our focus to negative emotions such as fear and anxiety. joining us tonight, a group of scientists who have devoted their lives to understanding the emotional brain. daniel salzman, he studies how the brain assigns an emotional value to the information that it receives from the five senses. he is an assistant professor of sky tri and neuroscience at columbia university. wolfram schultz. he studies how the brain's reward systems affect decision-making and learn
. and by contributions to your pbs station from viewers like you. thank you. >> lehrer: the u.s. moved into what is planned as its final military phase in iraq today after ending its combat role. newshour correspondent kwame holman begins our coverage. >> reporter: cleaning up and packing-- that's what u.s. soldiers were doing on bases across iraq today. humvees rolled on to flatbed trucks and rows of equipment awaited transport home. last night, president obama marked the formal end of combat operations in iraq with a speech from the oval office. >> our combat mission is ending, but our commitment to iraq's future is not. this new approach reflects our long-term partnership with iraq , one based upon mutual interest and mutual respect. >> reporter: today, american military leaders marked the occasion with a change in command of the remaining 50,000 troops in iraq. vice president biden and defense secretary gates were among those presiding at the main u.s. military headquarters on the outskirts of baghdad. >> i pray that all those scarred by this war in iraq come to know the bond of lasting peac
the treasury yields are telling us, that i think that september might be true to form. >> reporter: as to why september historically is so grim for stocks, experts have a few theories. some say investors refocus on their portfolios after summer vacation. others speculate many americans sell stocks in the fall to pay hefty tuition bills. suzanne pratt, "nightly business report," new york. >> susie: here are the stories in tonight's nbr newswheel. a mixed close on the last trading day of the month. the dow added five points, the nasdaq lost six, and the s&p 500 edged up a fraction. volume climbed a bit from yesterday's pace-- 1.4 billion shares on the big board and 2.1 billion on the nasdaq. minutes from the fed's latest policy meeting show some members think the central bank should provide more support if the economy weakens further. fed officials eventually agreed to reinvest the proceeds from their huge mortgage bond portfolio into treasuries. single family homes in major cities saw a modest price increase in june. the s&p/case shiller home price index rose 1% from may. but economists warn t
. president obama addresses the nation as the u.s. combat mission ends in iraq. >> woodruff: and i'm judy woodruff. on the newshour tonight, we get the analysis of mark shields and david brooks. >> lehrer: and margaret warner in baghdad examines the challenges iraqis still face in their daily lives. >> woodruff: then, from mexico city, we learn the latest on the arrest of an alleged drug lord from jason beaubien of npr. >> lerher: we have another in john merrow's reports on the washington, d.c., schools. tonight he looks at a new test for teachers. >> how can you possibly have a system where the vast majority of adults are running around thinking i'm doing an excellent job when what we're producing for kids is 8% success. >> woodruff: and jeffrey brown updates the story of new orleans musician and scholar michael white, five years after katrina. >> i went through a serious period of depression, of anger, of many different kinds of emotions. and then i came to realize the most valuable thing that i have i never lost. it's inside. it's that music tradition. >> lehrer: that's all ahead on to
. to make sure iraq is an effective partner with us. >> this is not yet a country of peace, and it may not be for a long time. after seven years of violence, it is a country that feels itself to be free once again. the acting prime minister, nouri al maliki, announced today that iraq was once more sovereign and independent. the point of the american involvement here, supposedly, was to liberate the iraqi people and perhaps to start a domino effect against other middle eastern dictatorships. all that really happened as a result of the invasion in the short run was saddam hussein was overthrown and the whole country was laid waste. the invasion took power away from the minority sunni moslems and gave it to the shi'a majority. >> it was essentially a disaster. the worst disaster. >> worse than saddam himself? >> definitely worse than saddam. >> the military campaign was devastating. political fallout was marred by carelessness and lack of interest. president bush, shortly before the invasion, seems not to know that iraq was split into sunni and shi'a. his secretary of defense dumped a len
is an example of what we are up against. >> benjamin netanyahu thanked the u.s. president for his efforts and described the talks says "open and productive." >> id president's statement is an expression of our -- i think the president's statement is an expression of our determination to fight and you have talks that are open, productive, and serious in the quest for peace, also centered around the need for security arrangements that are able to roll back this kind of terror and threats to security. and that is a fundamental element, an important foundation of the peace we seek, and i appreciate, mr. president, your efforts to advance this beast -- peace for us and our neighbors and, i think we can say, the world. >> mr. obama also welcomed the leaders of the palestinian and the israelis. king abdullah and other leaders will join the talks. but is there it now and new commitment to achieve peace? our correspondent reports from the west bank on what are the unresolved tensions. >> on a hill overlooking the city of jerusalem, hundreds of jewish settlers came to bury the dead. the symmetry is
anniversary of farm aid. we are glad you joined us. >> all i know is his name is james and he needs extra help with his reading. >> i am james. >> yes. >> to everyone making a difference, you help us live better. >> with every question and every answer, nationwide is proud to join tapis in working to remove obstacles to empowerment one obstacle at a time. >> and by contributions to your pbs station from the words like you. thank you. -- from viewers like you. ed thank you -- thank you. >> i am pleased to welcome norah jones to this program. she is on tour in support of her most recent cd. you can pick up a copy of her next project, a copy of many collective collaborations, and on october 2, she will be in milwaukee with an all-star lineup to celebrate the 25th anniversary of farmaid. before we get to that, here is the video from the song, "chasing pirates." >> ♪ and i do not know how to slow it down ♪ ♪ my mind is racing and ♪ i am chasing pirates ♪ my mind is racing, i am chasing pirates ♪ ♪ my mind is racing, i am chasing pirates ♪ >> we were chatting about tamoxifen time vs.
Search Results 0 to 8 of about 9 (some duplicates have been removed)